This UV lamp is designed to be installed in your AC HVAC Coil system and consists of 3 main components: 1) The 14W 14 UV bulb emits a germicidal UVC light that outputs 253.7NM wavelength with 99.9% effectiveness. Its designed with a lifespan of 9,000 hours (1+ year). 2) The 120VAC Ballast/Power supply is designed to power the bulb 24×7 and features an LED light to monitor the bulbs lifespan (green light ON = bulb is ON). 3) Z-shape magnetic bracket newly re-designed to provide adequate spacing for easy installation. Package includes: Bulb, Ballast, Magnetic Z bracket, and instructions. This product has one (1) year of warranty. 90-day replacement warranty for the bulb. IMPORTANT: If your bulb is damaged during shipping or defective or stops working within the first 90 days, we will replace it at no cost to you. Simply contact us. IMPORTANT: If you have any issues or need any help with this item, please contact us prior to returning this item or posting a review.Update (6-3-2022): We improved packing to minimize potential damages on fragile components e.g. uv bulb. We also offer a 90-day replacement warranty on the bulb. If your bulb was damaged during shipping or defective or stops working within the first 90 days, we will replace it at no cost to you. Simply contact us. Newly re-designed Z-shape bracket with 90-lb strong-hold compact magnet, and adequate connector spacing for easy installation. The 120VAC Ballast/Power supply is designed to power the bulb 24×7 and features an LED light to monitor the bulbs lifespan (green light ON = bulb is ON). The 14W 14 UV bulb emits a UVC light that outputs 253.7NM wavelength with 99.9% effectiveness. Its designed with a lifespan of 9,000 hours (1+ year).